Cassell's Natural History, Vol. 3 (of 6)Note 286 — Chapter X · THE BEE-EATERS—MOTMOTS—ROLLERS—TROGONS—NIGHTJARS, OR GOATSUCKERS—SWIFTS—HUMMING BIRDS.Reading editionCypselus, a swift; α, not; πούς, a foot.◇Copy noteReturn to CHAPTER X. THE BEE-EATERS—MOTMOTS—ROLLERS—TROGONS—NIGHTJARS, OR GOATSUCKERS—SWIFTS—HUMMING BIRDS.